Sr Software Engineer - Battery HIL Simulation & Integration

General Motors; Milford (CT); Hybrid; USD 100,000 - 150,000; Full time

Job summary

General Motors in Milford, CT seeks an experienced software/controls engineer to lead the creation, integration, and maintenance of simulation models and HIL benches for BECM, cell balancing, and high voltage systems. You will plan hardware upgrades and test environments to support new features and architecture changes.

The role requires a Bachelor's in engineering and 3 years in HIL/SIL, real-time modeling, and bench tools, with strong hardware-software integration skills.

Qualifications

• Bachelor's degree in related engineering field and 3 years of software/HIL experience.
• Experience with real-time model design and HIL bench tools.
• Experience with integrating sensors/actuators and hardware synchronization.

Responsibilities

• Lead creation, integration, and maintenance of simulation models.
• Develop and maintain HIL models and benches for BECM, cell balancing, and high voltage systems.
• Plan model updates, hardware upgrades, and test environment rollouts.
• Ensure benches meet program timing and enable early defect detection.

Skills

HIL/SIL software

Real-time simulation

Python

System integration

Education

Bachelor's degree in engineering

Tools

ETAS INCA

Lauterbach

CANalyzer

Vehicle Spy

Job description

Job Description

DUTIES:

Lead the creation, integration, and maintenance of simulation models, including plant models, sensor/actuator models, serial data networks, and controller representations. Develop and maintain Battery HIL models and benches supporting BECM, cell balancing, contactor logic, diagnostics, thermal systems, and high voltage architecture behavior. Plan and coordinate model updates, hardware upgrades, and test environment rollout to support new features, new programs, and SDV2 architecture changes. Ensure benches meet program timing, support feature development, and enable early detection of defects before vehicle integration. Hybrid Work Policy - 3 days In-office, 2 days remote - Must be able to report to local office.

REQUIREMENTS

Bachelor’s degree in Mechanical Engineering, Mechatronics Engineering, Electrical Engineering, Software Engineering, Computer Engineering, or related field of study and Three (3) years of experience as a Software Engineer, SIL Software in the Loop Engineer, HIL Simulation & Integration Engineer, High Voltage Simulation Engineer, or related occupation. Three (3) years of experience with: Complex design of models with real time simulation; and HIL bench tools, including ETAS INCA, Lauterbach, CAN (CANalyzer or Vehicle Spy), and Python. Two (2) years of experience with: HIL design and integration; Modeling and testing electrical, short circuit, and fault scenarios; and Creating in model, the simulated sensors and actuators (voltage, current, temperature) and synchronizing the physical hardware with simulated plant models.

About GM

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